prosecutors say dzhokhar tsarnaev and his brother planted the bombs that exploded at the marathon's finish line last year, killing three people and injuring more than 260 others. now the defense attorneys say there were substantial violations including with the grand injury that handed down the environment, specifically, african-americans and people over the age of 70 were under represented. >>> the family of an american general list who was beheaded iraq is questioning u.s. policy of refusing to pay ransom for citizens who are kidnapped. james foley wars beheaded this week -- was beheaded after the group demanded millions of dollars for his release. analysts say it is unlikely the white house will consider any changes. >> really, really hope that in some ways, jim's death pushes them to take another look at the approach, our policy to terrorism hostage negotiations and rethink that. >> some countries including france do pay a ransom to free citizens, the british paper the telegraph speculates that foley may have volunteered to be killed to spare the lives of other hostages. as the u.s. la